MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external links, suggesting a link farm. The primary malicious URL identified is https://ttraff.cc/pify?keyword=bold+textview+android+studio, which is likely used to redirect users to a final malicious payload. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=bold+textview+android+studio In PDF document text
- http://files.lashthetics.shop/uploads/1/3/0/8/130814666/5dc60fe9610d.pdfIn PDF document text
- http://ribefu.allamericanarabians.com/uploads/1/3/1/6/131606349/17dc8f553.pdfIn PDF document text
- http://files.vca1988.org/uploads/1/3/0/7/130776619/munesijomufajawakiso.pdfIn PDF document text
- http://files.paterpaulus.us/uploads/1/3/0/8/130874366/bakis.pdfIn PDF document text
- http://zuzej.davidstrailendurancerun.com/uploads/1/3/0/8/130814328/difaberus_filixa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/8492/2526/files/git_untrack_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/tavebazegabejofufulede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5287/6455/files/jimetobozufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4007/4910/files/kalnirnay_2020_marathi_calendar_download_for_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1764/7766/files/mezosimoxewasibunasakudiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4030/7362/files/sigma_aldrich_catalogue_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3599/0936/files/read_the_very_hungry_caterpillar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mekokagowofulagifofid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/7473/6543/files/after_we_fell_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/72258284719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4207/8877/files/vejiwajafipurodebaset.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5780/6486/files/mevefugizererutoxa.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F58 | 4968 bytes |
SHA-256: 6d784b53bba37b304dc7b32f98a626c7e1f85c558d589ce886679d839d148d71 |
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font_01_sfnt_off0000705f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x705F | 14508 bytes |
SHA-256: b9c3e3b83aab459e9fb4b49c27b30f1d37a6fe09760661e58b65d0e96e7004ca |
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font_02_sfnt_off00009e40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E40 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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